CN114406679A - Welding device for eliminating residual stress based on ultrasonic impact - Google Patents
Welding device for eliminating residual stress based on ultrasonic impact Download PDFInfo
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- CN114406679A CN114406679A CN202210001243.1A CN202210001243A CN114406679A CN 114406679 A CN114406679 A CN 114406679A CN 202210001243 A CN202210001243 A CN 202210001243A CN 114406679 A CN114406679 A CN 114406679A
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- 238000003466 welding Methods 0.000 title claims abstract description 78
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 230000008030 elimination Effects 0.000 claims description 2
- 238000003379 elimination reaction Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 14
- 239000007769 metal material Substances 0.000 description 27
- 238000000034 method Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 6
- 238000000137 annealing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F3/00—Changing the physical structure of non-ferrous metals or alloys by special physical methods, e.g. treatment with neutrons
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses a welding device for eliminating residual stress based on ultrasonic impact, which comprises a motor, a bracket, a welding mechanism and an ultrasonic impact mechanism, wherein a support column is arranged on one side of the bracket and is movably connected to the bracket; a supporting spring is arranged on one side of the supporting column, a baffle is arranged on one side of the supporting spring, a telescopic rod is arranged on one side of the baffle and connected to the bracket, and the supporting spring is connected to the baffle and the supporting column; the other side of the support column is provided with a rotating shaft which is movably connected to the support column; one side of the rotating shaft is provided with a conical wheel I, the conical wheel I is connected to the rotating shaft, the other side of the rotating shaft is provided with a bearing, the rotating shaft is movably connected to the bearing, and the bearing is connected to the bracket; one side of the bearing is provided with a rotating sleeve which is movably connected to the bearing; the connecting column is arranged in the rotating sleeve and connected to the rotating shaft. According to the invention, the speed of the transmission wheel is adjusted, so that when the curved metal is welded, the moving speed is adjusted according to the curved shape, the welding mechanism can uniformly move and weld along the metal surface, the welding quality is ensured, and the metal is subjected to stress relief through the ultrasonic impact mechanism after welding.
Description
Technical Field
The invention belongs to the technical field of welding processing, and particularly relates to a welding device for eliminating residual stress based on ultrasonic impact.
Background
After the metal materials of the shells of nuclear power equipment and large-sized high-pressure containers are welded by various welding methods, the welding seam is easy to generate larger welding residual stress, and surface cracks and even breakage are easy to generate when the welding seam is in service. The traditional method for eliminating the welding residual stress is to adopt stress relief annealing under the allowable condition, so that the residual stress of a welding seam can be eliminated to a great extent or completely, but in the actual production, not all welding structures can adopt the method of stress relief annealing, and the method for eliminating the residual stress by ultrasonic impact is the method for eliminating the residual stress which is frequently applied at present.
At present, after a welding device is used for welding a metal material, mechanisms such as ultrasonic waves and the like are used for eliminating stress of the metal material; at present, when a plane metal material is welded, the welding is uniform, and when a curved surface metal material is welded, the welding is not uniform in the welding process, so that the welding effect is influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a welding device for eliminating residual stress based on ultrasonic impact, which can be used for uniformly welding metal materials with different curved surfaces and ensuring the welding quality.
In order to achieve the purpose, the invention adopts the technical scheme that:
a welding device for eliminating residual stress based on ultrasonic impact comprises a motor, a bracket, a welding mechanism and an ultrasonic impact mechanism, wherein a plurality of support columns are arranged on one side of the bracket and are movably connected to the bracket; a supporting spring is arranged on one side of the supporting column, a baffle is arranged on one side of the supporting spring, a telescopic rod is arranged on one side of the baffle and connected to the bracket, and the supporting spring is connected to the baffle and the supporting column; the other side of the support column is provided with a rotating shaft which is movably connected to the support column; a conical wheel I is arranged on one side of the rotating shaft and connected to the rotating shaft; the other side of the rotating shaft is provided with a bearing, the rotating shaft is movably connected to the bearing, and the bearing is connected to the bracket; one side of the bearing is provided with a rotating sleeve which is movably connected to the bearing; a connecting column is arranged inside the rotary sleeve and connected to the rotating shaft; the rotating sleeve rotates to drive the rotating shaft to rotate through the connecting column, and the supporting spring drives the connecting column to slide in the rotating sleeve through the rotating shaft when pushing the supporting column to move; a belt is arranged on one side of each rotary sleeve, gears are arranged at two ends of each belt, and the gears are connected to the adjacent rotary sleeves; a motor is arranged on one side of the belt, a motor wheel is arranged on one side of the motor, the motor rotates to drive the rotating sleeves to rotate through the motor wheel, and the rotating sleeves rotate to enable all the rotating sleeves to rotate through the rotation of the belt;
a conical wheel II is arranged on one side of the conical wheel I, a moving frame is arranged on one side of the conical wheel II, the moving frame is movably connected to the support, and the conical wheel II is movably connected to the moving frame; a guide plate is arranged on one side of the moving frame and connected to the support column, and a positioning shaft is arranged on one side of the guide plate and connected to the moving frame; when the supporting spring pushes the conical wheel I to move, the conical wheel II is driven to move by driving the guide plate, so that the conical wheel I is always attached to the conical wheel II;
a conical wheel shaft is arranged on one side of the conical wheel II, a worm wheel is arranged on one side of the conical wheel shaft, a worm is arranged on one side of the worm wheel, and the worm is movably connected to the moving frame; one side of the worm is provided with a worm wheel which is connected to the worm; a chain is arranged on one side of the worm wheel, a fixing plate is arranged on one side of the chain, and the fixing plate is connected to the bracket; the fixed plate prevents the worm wheel and the chain from sliding; chain wheels are arranged at two ends of the chain, a supporting plate is arranged on one side of each chain wheel, the chain wheels are movably connected to the supporting plates, and the supporting plates are connected to the support; the other side of the chain wheel is provided with a plurality of transmission wheels, the transmission wheels are movably connected to the supporting plate, one side of each transmission wheel is provided with a connecting wheel, the connecting wheels are movably connected to the supporting plate, and the connecting wheels are meshed with the adjacent transmission wheels; the chain wheel rotates to drive the transmission wheel to rotate; one side of the transmission wheel is provided with a sliding block, the sliding block is tightly attached to the transmission wheel, one side of the sliding block is provided with a guide rail, the sliding block is movably connected to the guide rail, and the guide rail is connected to the bracket; when the transmission wheel rotates, the sliding block is driven to move on the guide rail; a buffer plate is arranged on one side of the sliding block and connected to the sliding block; a welding mechanism is arranged on one side of the buffer plate and connected to the buffer plate; the other side of the buffer plate is provided with an ultrasonic impact mechanism, and the ultrasonic impact mechanism is connected to the buffer plate; the sliding block moves to drive the welding mechanism to weld the metal material, and the metal material is subjected to stress relief through the ultrasonic impact mechanism.
Preferably, one side of the buffer plate is provided with a plurality of buffer springs, and the buffer plate is connected to the sliding block through the plurality of buffer springs; the other side of the buffer plate is provided with a buffer rod, and the buffer rod is connected to the buffer plate; one side of the buffer rod is provided with a roller which is movably connected to the buffer rod; the buffer spring pushes the roller to be tightly attached to the metal surface, so that the distance between the welding mechanism and the metal surface is kept stable, and the stability in the welding process is convenient to improve.
Preferably, one side of the ultrasonic impact mechanism is provided with a telescopic block, and the telescopic block is connected to the buffer plate; one side of the telescopic block is provided with a connecting plate which is connected with the telescopic block; the ultrasonic impact mechanism is movably connected to the connecting plate; one side of the connecting plate is provided with a plurality of spiral shafts, and one side of each spiral shaft is provided with a fixed spring; the position of the fixing spring is adjusted by rotating the spiral shaft, so that the ultrasonic impact mechanism is fixed, and the ultrasonic impact mechanism is prevented from shaking in the working process to influence the welding process.
Preferably, one side of the support column is provided with a support block, and the support block is connected to the bracket; a fixing column is arranged on one side of the supporting block and connected to the supporting block; when the metal material is welded, the metal material is pushed by the fixing column to be fixed, so that the metal material can be conveniently welded subsequently.
Preferably, one side of the fixed column is provided with a plurality of tension springs, and the fixed column is movably connected to the supporting block through the tension springs; a guide block is arranged on one side of the fixed column, a guide groove is arranged on one side of the guide block, the guide groove is arranged on the fixed column, and the guide block is movably connected in the guide groove; a connecting rod is arranged on one side of the guide block, a fixing frame is arranged on one side of the connecting rod and connected to the support, and two ends of the connecting rod are connected to the guide block and the fixing frame; a limiting plate is arranged on the other side of the guide block, a limiting spring is arranged on one side of the limiting plate, and the limiting plate is movably connected to the fixed column through the limiting spring; pass through the limiting plate through the promotion fixed column and fix on the guide block, realize making the fixed column fix metal material, promote the stopper after the welding and make extension spring pulling fixed block remove, avoid follow-up influence to metal material stress relief.
Preferably, the connecting rod is movably connected to the guide block and the fixed frame; the fixed frame is movably connected to the bracket; one side of the fixing frame is provided with a fixing frame spring, and two ends of the fixing frame spring are connected to the fixing frame and the bracket; the fixed frame spring pushes the fixed frame to move, and the guide block moves in the guide groove through the connecting rod; when the telescopic rod pushes the supporting block to move, the supporting block pushes the fixing frame to move, so that the guide block pushes the fixing column to move, and the metal material is fixed.
Preferably, a stop block is arranged on one side of the buffer rod and connected to the buffer rod; when the slider drives the buffer board to move for welding, the stop dog through promotes the limiting plate and removes, realizes making fixed column and metal material break away from.
Preferably, a conical block is arranged on one side of the supporting column, and the moving distance of the fixed column is determined in the moving process of the supporting column through the conical block.
Preferably, one side of the sliding block is provided with a fixed block, one side of the fixed block is provided with a moving block, one side of the moving block is provided with a moving spring, and the moving block is movably connected to the sliding block through the moving spring; the transmission wheel drives the sliding block to move through the moving block and the fixed block, and when the sliding block moves to the transmission wheel with different rotating speeds, the sliding block is buffered through the moving block, so that the sliding block is prevented from moving unstably.
Compared with the prior art, the invention has the beneficial effects that:
1) the motor drives the rotating sleeve to rotate through the belt, the rotating sleeve drives the rotating shaft to rotate, the rotating speed of the conical wheel I is adjusted to the rotating speed of the conical wheel II after the telescopic rod pushes the supporting column to move, so that the speed of the transmission wheel is adjusted, when the curved surface metal is welded, the moving speed is adjusted according to the curved surface shape, the welding mechanism can uniformly move and weld along the surface of the metal, the welding quality is ensured, and the stress of the metal is eliminated through the ultrasonic impact mechanism after the welding is finished;
2) the position of the ultrasonic impact mechanism is adjusted through the telescopic block, the fixed strength of the ultrasonic impact mechanism is realized by rotating the screw shaft, and the influence on the welding mechanism is avoided in the process of eliminating stress by ultrasonic impact;
3) when the telescopic rod pushes the supporting block to move, the conical block on one side of the supporting block pushes the fixing frame to move, so that the fixing frame drives the guide block to push the fixing column to move through the connecting rod, the metal material is fixed through the fixing column, and welding is facilitated; after welding, the buffer rod pushes the limiting plate to move through the stop block, so that the tension spring pulls the fixing column to move, and subsequent ultrasonic impact stress relief is prevented from being influenced.
Drawings
FIG. 1 is a schematic structural diagram of a welding device for eliminating residual stress based on ultrasonic impact according to the present invention;
FIG. 2 is a schematic structural diagram of a bracket in the welding device for eliminating residual stress based on ultrasonic impact;
FIG. 3 is a schematic structural view of a transmission wheel in the welding device for eliminating residual stress based on ultrasonic impact;
FIG. 4 is a schematic structural diagram of a support block in a welding device for eliminating residual stress based on ultrasonic impact according to the present invention;
FIG. 5 is a schematic structural diagram of a worm gear in the welding device for eliminating residual stress based on ultrasonic impact;
FIG. 6 is a schematic structural diagram of a sliding block in the welding device for eliminating residual stress based on ultrasonic impact;
FIG. 7 is a schematic diagram of a connecting plate structure in a welding device for eliminating residual stress based on ultrasonic impact according to the present invention;
FIG. 8 is a schematic view of a fixed column structure in the welding device for eliminating residual stress based on ultrasonic impact according to the present invention;
in the figure: 1-motor, 11-motor wheel, 2-belt, 21-gear, 3-bracket, 31-guide rail, 32-support plate, 33-bearing, 34-rotating sleeve, 36-support spring, 37-baffle, 371-telescopic rod, 38-rotating shaft, 381-connecting column, 39-cone wheel I, 310-moving frame, 311-cone wheel II, 312-cone wheel shaft, 313-worm wheel, 314-chain, 315-fixed plate, 316-chain wheel, 317-worm, 318-worm wheel, 319-positioning shaft, 320-guide plate, 4-slide block, 41-buffer spring, 42-buffer plate, 43-welding mechanism, 44-fixed block, 45-moving block, 46-moving spring, 47-buffer rod, 48-block, 49-roller, 410-telescopic block, 411-connecting plate, 412-ultrasonic impact mechanism, 413-spiral shaft, 414-fixed spring, 5-transmission wheel, 51-connecting wheel, 6-fixed column, 61-supporting block, 62-tension spring, 63-limit spring, 64-limit plate, 65-guide block, 66-guide groove, 67-fixing frame, 68-fixing frame spring, 69-connecting rod, 7-support column, 71-conical block.
Detailed Description
For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further described in detail with reference to fig. 1 to 8.
A welding device for eliminating residual stress based on ultrasonic impact comprises a motor 1, a support 3, a welding mechanism 43 and an ultrasonic impact mechanism 412, wherein a plurality of support columns 7 are arranged on one side of the support 3, and the support columns 7 are movably connected to the support 3; a supporting spring 36 is arranged on one side of the supporting column 7, a baffle 37 is arranged on one side of the supporting spring 36, an expansion rod 371 is arranged on one side of the baffle 37, the expansion rod 371 is connected to the bracket 3, and the supporting spring 36 is connected to the baffle 37 and the supporting column 7; a rotating shaft 38 is arranged on the other side of the supporting column 7, and the rotating shaft 38 is movably connected to the supporting column 7; a conical wheel I39 is arranged on one side of the rotating shaft 38, and the conical wheel I39 is connected to the rotating shaft 38; the other side of the rotating shaft 38 is provided with a bearing 33, the rotating shaft 38 is movably connected to the bearing 33, and the bearing 33 is connected to the bracket 3; a rotating sleeve 34 is arranged on one side of the bearing 33, and the rotating sleeve 34 is movably connected to the bearing 33; a connecting column 381 is arranged inside the rotating sleeve 34, and the connecting column 381 is connected to the rotating shaft 38; the rotating sleeve 34 rotates to drive the rotating shaft 38 to rotate through the connecting column 381, and the supporting spring 36 drives the connecting column to slide in the rotating sleeve 34 through the rotating shaft 38 when pushing the supporting column 7 to move; a belt 2 is arranged on one side of each rotary sleeve 34, gears 21 are arranged at two ends of each belt 2, and the gears 21 are connected to the adjacent rotary sleeves 34; a motor 1 is arranged on one side of the belt 2, a motor wheel 11 is arranged on one side of the motor 1, the motor 1 rotates to drive the rotary sleeves 34 to rotate through the motor wheel 11, and the rotary sleeves 34 rotate to enable all the rotary sleeves 34 to rotate through the rotation of the belt 2;
a conical wheel II 311 is arranged on one side of the conical wheel I39, a moving frame 310 is arranged on one side of the conical wheel II 311, the moving frame 310 is movably connected to the support 3, and the conical wheel II 311 is movably connected to the moving frame 310; a guide plate 320 is arranged on one side of the moving frame 310, the guide plate 320 is connected to the support column 7, a positioning shaft 319 is arranged on one side of the guide plate 320, and the positioning shaft 319 is connected to the moving frame 310; when the supporting spring 36 pushes the conical wheel I39 to move, the guide plate 320 is driven to move, so that the conical wheel II 311 is always attached to the conical wheel I39;
a conical wheel shaft 312 is arranged on one side of the conical wheel II 311, a worm wheel 313 is arranged on one side of the conical wheel shaft 312, a worm 317 is arranged on one side of the worm wheel 313, and the worm 317 is movably connected to the moving frame 310; a worm wheel 318 is arranged on one side of the worm 317, and the worm wheel 318 is connected to the worm 317; a chain 314 is arranged on one side of the worm wheel 318, a fixing plate 315 is arranged on one side of the chain 314, and the fixing plate 315 is connected to the bracket; the fixed plate prevents the worm wheel 318 from sliding with the chain 314; two ends of the chain 314 are provided with chain wheels 316, one side of each chain wheel 316 is provided with a supporting plate 32, each chain wheel 316 is movably connected to the corresponding supporting plate 32, and each supporting plate 32 is connected to the corresponding support 3; a plurality of transmission wheels 5 are arranged on the other side of the chain wheel 316, the transmission wheels 5 are movably connected to the supporting plate 32, a connecting wheel 51 is arranged on one side of each transmission wheel 5, the connecting wheel 51 is movably connected to the supporting plate 32, and the connecting wheel 51 is meshed with the adjacent transmission wheels 5; the chain wheel 316 rotates to drive the transmission wheel 5 to rotate; a sliding block 4 is arranged on one side of the transmission wheel 5, the sliding block 4 is tightly attached to the transmission wheel 5, a guide rail 31 is arranged on one side of the sliding block 4, the sliding block 4 is movably connected to the guide rail 31, and the guide rail 31 is connected to the support 3; when the transmission wheel 5 rotates, the sliding block 4 is driven to move on the guide rail 31; a buffer plate 42 is arranged on one side of the sliding block 4, and the buffer plate 42 is connected to the sliding block 4; a welding mechanism 43 is arranged on one side of the buffer plate 42, and the welding mechanism 43 is connected to the buffer plate 42; the other side of the buffer plate 42 is provided with an ultrasonic impact mechanism 412, and the ultrasonic impact mechanism 412 is connected to the buffer plate 42; the slider 4 moves to drive the welding mechanism 43 to weld the metal material, and the stress of the metal material is eliminated through the ultrasonic impact mechanism 412.
A plurality of buffer springs 41 are arranged on one side of the buffer plate 42, and the buffer plate 42 is connected to the sliding block 4 through the plurality of buffer springs 41; a buffer rod 47 is arranged on the other side of the buffer plate 42, and the buffer rod 47 is connected to the buffer plate 42; a roller 49 is arranged on one side of the buffer rod 47, and the roller 49 is movably connected to the buffer rod 47; the buffer spring 41 pushes the roller 49 to be clung to the metal surface, so that the distance between the welding mechanism 43 and the metal surface is kept stable, and the stability in the welding process is improved conveniently.
One side of the ultrasonic impact mechanism 412 is provided with a telescopic block 410, and the telescopic block 410 is connected to the buffer plate 42; a connecting plate 411 is arranged on one side of the telescopic block 410, and the connecting plate 411 is connected to the telescopic block 410; the ultrasonic impact mechanism 412 is movably connected to the connecting plate 411; one side of the connecting plate 411 is provided with a plurality of spiral shafts 413, and one side of each spiral shaft 413 is provided with a fixed spring 414; the position of the fixing spring 414 is adjusted by rotating the screw shaft 413, so that the ultrasonic impact mechanism 412 is fixed, and the phenomenon that the ultrasonic impact mechanism 412 shakes during working to influence the welding process is avoided.
A supporting block 61 is arranged on one side of the supporting column 7, and the supporting block 61 is connected to the bracket 3; a fixing column 6 is arranged on one side of the supporting block 61, and the fixing column 6 is connected to the supporting block 61; when the metal material is welded, the metal material is pushed by the fixing column 6 to be fixed, so that the metal material can be conveniently welded subsequently.
A plurality of tension springs 62 are arranged on one side of the fixed column 6, and the fixed column 6 is movably connected to the supporting block 61 through the tension springs 62; a guide block 65 is arranged on one side of the fixed column 6, a guide groove 66 is arranged on one side of the guide block 65, the guide groove 66 is arranged on the fixed column 6, and the guide block 65 is movably connected in the guide groove 66; a connecting rod 69 is arranged on one side of the guide block 65, a fixing frame 67 is arranged on one side of the connecting rod 69, the fixing frame 67 is connected to the support 3, and two ends of the connecting rod 69 are connected to the guide block 65 and the fixing frame 67; a limiting plate 64 is arranged on the other side of the guide block 65, a limiting spring 63 is arranged on one side of the limiting plate 64, and the limiting plate 64 is movably connected to the fixed column 6 through the limiting spring 63; fixing on guide block 65 through promoting fixed column 6 through limiting plate 64, the realization makes fixed column 6 fix metal material, promotes the stopper after the welding and makes extension spring 62 pulling fixed block 44 remove, avoids follow-up influence to metal material stress relief.
The connecting rod 69 is movably connected to the guide block 65 and the fixed frame 67; the fixed frame 67 is movably connected to the bracket 3; a fixing frame spring 68 is arranged on one side of the fixing frame 67, and two ends of the fixing frame spring 68 are connected to the fixing frame 67 and the bracket 3; the fixed frame spring 68 pushes the fixed frame 67 to move, and the guide block 65 moves in the guide groove 66 through the connecting rod 69; when the telescopic rod 371 pushes the supporting block 61 to move, the supporting block 61 pushes the fixing frame 67 to move, so that the guide block 65 pushes the fixing column 6 to move, and the metal material is fixed.
A stopper 48 is arranged on one side of the buffer rod 47, and the stopper 48 is connected to the buffer rod 47; when the sliding block 4 drives the buffer plate 42 to move for welding, the stop block 48 pushes the limit plate 64 to move, and the fixed column 6 is separated from the metal material.
And a conical block 71 is arranged on one side of the supporting column 7, and the moving distance of the fixed column 6 is determined in the moving process of the supporting column 7 through the conical block 71.
A fixed block 44 is arranged on one side of the sliding block 4, a moving block 45 is arranged on one side of the fixed block 44, a moving spring 46 is arranged on one side of the moving block 45, and the moving block 45 is movably connected to the sliding block 4 through the moving spring 46; the transmission wheel 5 drives the sliding block 4 to move through the moving block 45 and the fixed block 44, and when the sliding block 4 moves to the transmission wheel 5 with different rotating speeds, the sliding block 4 is buffered through the moving block 45, so that the sliding block 4 is prevented from moving unstably.
A welding device for eliminating residual stress based on ultrasonic impact comprises the following working processes: when metal materials need to be welded, the welding device is placed at a position needing to be welded, the telescopic rod 371 pushes the supporting column 7 to be tightly attached to the metal surface, the motor 1 rotates, the motor 1 drives the rotary sleeve 34 to rotate through the belt 2, the rotary sleeve 34 rotates to drive the rotary shaft 38 to rotate, the telescopic rod 371 pushes the supporting column 7 to move, then the conical wheel I39 adjusts the rotating speed of the conical wheel II 311, so that the speed of the transmission wheel 5 is adjusted, when the curved-surface metal is welded, the moving speed of the sliding block 4 is adjusted according to the curved-surface shape, the welding mechanism 43 can uniformly move and weld along the metal surface, the welding quality is ensured, and after the welding is finished, the metal is subjected to stress elimination through the ultrasonic impact mechanism 412; the position of the ultrasonic impact mechanism 412 is adjusted through the telescopic block 410, the fixed strength of the ultrasonic impact mechanism 412 is realized by rotating the screw shaft 413, and the influence on the welding mechanism 43 is avoided in the process of eliminating stress through ultrasonic impact; when the telescopic rod 371 pushes the supporting block 61 to move, the conical block 71 on one side of the supporting block 61 pushes the fixing frame 67 to move, so that the fixing frame 67 drives the guide block 65 to push the fixing column 6 to move through the connecting rod 69, and the metal material is fixed through the fixing column 6, thereby facilitating welding; after welding, the buffer rod 47 pushes the limit plate 64 to move through the stop block 48, so that the tension spring 62 pulls the fixing column 6 to move, and subsequent ultrasonic impact stress relief is prevented from being influenced.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (9)
1. The utility model provides a welding set of elimination residual stress based on ultrasonic impact, includes motor, support, welding mechanism, ultrasonic impact mechanism, its characterized in that: a plurality of support columns are arranged on one side of the support, and the support columns are movably connected to the support; a supporting spring is arranged on one side of the supporting column, a baffle is arranged on one side of the supporting spring, a telescopic rod is arranged on one side of the baffle and connected to the bracket, and the supporting spring is connected to the baffle and the supporting column; the other side of the support column is provided with a rotating shaft which is movably connected to the support column; a conical wheel I is arranged on one side of the rotating shaft and connected to the rotating shaft; the other side of the rotating shaft is provided with a bearing, the rotating shaft is movably connected to the bearing, and the bearing is connected to the bracket; one side of the bearing is provided with a rotating sleeve which is movably connected to the bearing; a connecting column is arranged inside the rotary sleeve and connected to the rotating shaft; a belt is arranged on one side of each rotary sleeve, gears are arranged at two ends of each belt, and the gears are connected to the adjacent rotary sleeves; a motor is arranged on one side of the belt, and a motor wheel is arranged on one side of the motor;
a conical wheel II is arranged on one side of the conical wheel I, a moving frame is arranged on one side of the conical wheel II, the moving frame is movably connected to the support, and the conical wheel II is movably connected to the moving frame; a guide plate is arranged on one side of the moving frame and connected to the support column, and a positioning shaft is arranged on one side of the guide plate and connected to the moving frame;
a conical wheel shaft is arranged on one side of the conical wheel II, a worm wheel is arranged on one side of the conical wheel shaft, a worm is arranged on one side of the worm wheel, and the worm is movably connected to the moving frame; one side of the worm is provided with a worm wheel which is connected to the worm; a chain is arranged on one side of the worm wheel, a fixing plate is arranged on one side of the chain, and the fixing plate is connected to the bracket; chain wheels are arranged at two ends of the chain, a supporting plate is arranged on one side of each chain wheel, the chain wheels are movably connected to the supporting plates, and the supporting plates are connected to the support; the other side of the chain wheel is provided with a plurality of transmission wheels, the transmission wheels are movably connected to the supporting plate, one side of each transmission wheel is provided with a connecting wheel, the connecting wheels are movably connected to the supporting plate, and the connecting wheels are meshed with the adjacent transmission wheels; the chain wheel rotates to drive the transmission wheel to rotate; one side of the transmission wheel is provided with a sliding block, the sliding block is tightly attached to the transmission wheel, one side of the sliding block is provided with a guide rail, the sliding block is movably connected to the guide rail, and the guide rail is connected to the bracket; when the transmission wheel rotates, the sliding block is driven to move on the guide rail; a buffer plate is arranged on one side of the sliding block and connected to the sliding block; a welding mechanism is arranged on one side of the buffer plate and connected to the buffer plate; and an ultrasonic impact mechanism is arranged on the other side of the buffer plate and connected to the buffer plate.
2. The welding device for eliminating residual stress based on ultrasonic impact as claimed in claim 1, wherein a plurality of buffer springs are arranged on one side of the buffer plate, and the buffer plate is connected to the sliding block through the plurality of buffer springs; the other side of the buffer plate is provided with a buffer rod, and the buffer rod is connected to the buffer plate; and one side of the buffer rod is provided with a roller which is movably connected on the buffer rod.
3. The welding device for eliminating residual stress based on ultrasonic impact as claimed in claim 1, wherein a telescopic block is arranged at one side of the ultrasonic impact mechanism, and the telescopic block is connected to the buffer plate; one side of the telescopic block is provided with a connecting plate which is connected with the telescopic block; the ultrasonic impact mechanism is movably connected to the connecting plate; one side of the connecting plate is provided with a plurality of spiral shafts, and one side of each spiral shaft is provided with a fixed spring.
4. The ultrasonic impact based residual stress eliminating welding device according to claim 1, wherein a support block is arranged on one side of the support column, and the support block is connected to the bracket; and one side of the supporting block is provided with a fixing column which is connected to the supporting block.
5. The welding device for eliminating the residual stress based on the ultrasonic impact as claimed in claim 1, wherein a plurality of tension springs are arranged on one side of the fixed column, and the fixed column is movably connected to the supporting block through the tension springs; a guide block is arranged on one side of the fixed column, a guide groove is arranged on one side of the guide block, the guide groove is arranged on the fixed column, and the guide block is movably connected in the guide groove; a connecting rod is arranged on one side of the guide block, a fixing frame is arranged on one side of the connecting rod and connected to the support, and two ends of the connecting rod are connected to the guide block and the fixing frame; the limiting plate is arranged on the other side of the guide block, a limiting spring is arranged on one side of the limiting plate, and the limiting plate is movably connected to the fixing column through the limiting spring.
6. The ultrasonic impact based residual stress relieving welding device as claimed in claim 1, wherein the connecting rod is movably connected to the guide block and the fixing frame; the fixed frame is movably connected to the bracket; one side of the fixing frame is provided with a fixing frame spring, and two ends of the fixing frame spring are connected to the fixing frame and the bracket.
7. The ultrasonic impact based residual stress relieving welding device as claimed in claim 1, wherein a stopper is provided at one side of the buffer rod, and the stopper is connected to the buffer rod.
8. The ultrasonic impact based residual stress relief welding device according to claim 1, wherein a tapered block is provided on one side of the supporting column.
9. The ultrasonic impact based residual stress eliminating welding device as claimed in claim 1, wherein a fixed block is arranged on one side of the sliding block, a moving block is arranged on one side of the fixed block, a moving spring is arranged on one side of the moving block, and the moving block is movably connected to the sliding block through the moving spring.
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| CN202210001243.1A CN114406679B (en) | 2022-01-04 | 2022-01-04 | Welding set of residual stress that eliminates based on ultrasonic impact |
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| CN202210001243.1A CN114406679B (en) | 2022-01-04 | 2022-01-04 | Welding set of residual stress that eliminates based on ultrasonic impact |
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|---|---|
| CN114406679B (en) | 2023-08-04 |
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